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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-06-13 02:38:35 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-06-13 02:38:35 +0300 |
| commit | 5aff29efbec020f0997e5cdbefce0ff383518986 (patch) | |
| tree | 8b7df95c23b3cd2cfa17873ff0fa999dd5ae35bd /fs/proc/array.c | |
| parent | 9bd034225300c7ddf14f4b4c28531efc7a5e1524 (diff) | |
| parent | 3ef8a2eeb6dcd1fa61ec8ae107976e655f50e412 (diff) | |
| download | linux-5aff29efbec020f0997e5cdbefce0ff383518986.tar.xz | |
Merge branch 'ib/4.17-xen-kbdfront-runtime-config' into next
Bring in xen-kbdfront changes.
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index ae2c807fd719..72391b3f6927 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -85,6 +85,7 @@ #include <linux/delayacct.h> #include <linux/seq_file.h> #include <linux/pid_namespace.h> +#include <linux/prctl.h> #include <linux/ptrace.h> #include <linux/tracehook.h> #include <linux/string_helpers.h> @@ -335,6 +336,30 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p) #ifdef CONFIG_SECCOMP seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode); #endif + seq_printf(m, "\nSpeculation_Store_Bypass:\t"); + switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) { + case -EINVAL: + seq_printf(m, "unknown"); + break; + case PR_SPEC_NOT_AFFECTED: + seq_printf(m, "not vulnerable"); + break; + case PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE: + seq_printf(m, "thread force mitigated"); + break; + case PR_SPEC_PRCTL | PR_SPEC_DISABLE: + seq_printf(m, "thread mitigated"); + break; + case PR_SPEC_PRCTL | PR_SPEC_ENABLE: + seq_printf(m, "thread vulnerable"); + break; + case PR_SPEC_DISABLE: + seq_printf(m, "globally mitigated"); + break; + default: + seq_printf(m, "vulnerable"); + break; + } seq_putc(m, '\n'); } |